Pith Number

pith:G2UVBDG4

pith:2012:G2UVBDG4VI454PWF5PTP3KTTJ7

not attested not anchored not stored refs pending

Self-seeding scheme for the soft X-ray line at the European XFEL

Evgeni Saldin, Gianluca Geloni, Vitaly Kocharyan

arxiv:1202.5209 v1 · 2012-02-23 · physics.acc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G2UVBDG4VI454PWF5PTP3KTTJ7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:01:38.721333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36a9508cdcaa39de3ec5ebe6fdaa734ff173c32300e6028b5f4cfdb7fc42a930

Aliases

arxiv: 1202.5209 · arxiv_version: 1202.5209v1 · doi: 10.48550/arxiv.1202.5209 · pith_short_12: G2UVBDG4VI45 · pith_short_16: G2UVBDG4VI454PWF · pith_short_8: G2UVBDG4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/G2UVBDG4VI454PWF5PTP3KTTJ7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 36a9508cdcaa39de3ec5ebe6fdaa734ff173c32300e6028b5f4cfdb7fc42a930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5d4e4c44c5b16c9445dae43c28ad26fd2a471d3a23fcfc4bfb0b2477482844",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2012-02-23T15:32:47Z",
    "title_canon_sha256": "639ba735c53894f3a30c08cb38256ce460995a4657425ae54170e91a3eeee5aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5209",
    "kind": "arxiv",
    "version": 1
  }
}